McIver, J. P., & Carmines, E. G. (1981). Unidimensional scaling. Sage Publishing.
Dyfyniad Arddull ChicagoMcIver, John P., and Edward G. Carmines. Unidimensional Scaling. Beverly Hills: Sage Publishing, 1981.
Dyfyniad MLAMcIver, John P., and Edward G. Carmines. Unidimensional Scaling. Sage Publishing, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.